Robert Liddell, M.D.
NPI 1487676946 · Diagnostic Radiology Physician · Bellevue, WA
Robert Liddell, M.D. is a Diagnostic Radiology Physician provider in Bellevue, WA (NPI 1487676946).
Provider details
- NPI number
- 1487676946
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00023245 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2012-03-13
Frequently asked questions
- What is Robert Liddell's NPI number?
- Robert Liddell's National Provider Identifier (NPI) is 1487676946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Liddell's specialty?
- Robert Liddell is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Liddell located?
- Robert Liddell's practice location on file with NPPES is 1310 116th Ave Ne, Bellevue, WA 98004-3817.
- What is Robert Liddell's phone number?
- The practice phone number listed in the NPPES registry for Robert Liddell is (425) 250-1145.
- Is Robert Liddell's NPI active?
- Yes — Robert Liddell's NPI (1487676946) is active in the NPPES registry as of the last update on 2012-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.